<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
window.onload=function(){
	var oTab=document.getElementById('tab1');
	var oName=document.getElementById('name');
	var oAge=document.getElementById('age');
	var oBtn=document.getElementById('btn1');
	var id=oTab.tBodies[0].rows.length+1;
	
	oBtn.onclick=function()
	{
		var oTr=document.createElement('tr');
		var oTd=document.createElement('td');
		oTd.innerHTML=id++;
		oTr.appendChild(oTd);
		
		var oTd=document.createElement('td');
		oTd.innerHTML=oName.value;
		oTr.appendChild(oTd);
		
		var oTd=document.createElement('td');
		oTd.innerHTML=oAge.value;
		oTr.appendChild(oTd);
		
		var oTd=document.createElement('td');
		oTd.innerHTML='<a href="javascript:;">删除</a>';
		oTr.appendChild(oTd);
		
		oTd.getElementsByTagName('a')[0].onclick=function()
		{
			oTab.tBodies[0].removeChild(this.parentNode.parentNode);
		}
		oTab.tBodies[0].appendChild(oTr);
	}
	
};
</script>
</head>

<body>
姓名：<input id="name" type="text" />
年龄：<input id="age" type="text" />
<input id="btn1" type="button" value="添加" />
<table id="tab1" border="1" width="500">
	<thead>
    	<td>ID</td>
        <td>姓名</td>
        <td>年龄</td>
        <td>操作</td>
    </thead>
    <tbody>
    	<tr>
        	<td>1</td>
            <td>张三</td>
            <td>20</td>
            <td></td>
        </tr>
        <tr>
        	<td>2</td>
            <td>李四</td>
            <td>24</td>
            <td></td>
        </tr>
        <tr>
        	<td>3</td>
            <td>王五</td>
            <td>22</td>
            <td></td>
        </tr>
        <tr>
        	<td>4</td>
            <td>刘六</td>
            <td>23</td>
            <td></td>
        </tr>
        <tr>
        	<td>5</td>
            <td>张玮</td>
            <td>21</td>
            <td></td>
        </tr>
    </tbody>
</table>
</body>
</html>
